Imagine That a Race of Extraterrestrials Came to Earth

Multiple Choice

Imagine that a race of extraterrestrials came to earth.These extraterrestrials quickly learned to use Earth words to convey meaningful messages,but they never created new combinations of words or learned how to use rules to create meaningful sentences.Which statement best describes their communications

A)  They would have all the requirements for language. 
B)  They would not be generative or structured but would be symbolic and semantic. 
C)  They would lack all the essential elements of language. 
D)  They would not be symbolic or semantic but would be generative and structured.